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Image: reddit.com · Claude Code and 2D CAD drawings to 3D rabbithole

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Turning 2D CAD drawings into 3D STEP models

Claude Code and Claude Desktop have been used to build a tool that makes STEP models from 2D machining drawings, working so far for some rotational parts.

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Credits

  • Reddit poster Impossible_Carob8839 Source ↗

Earliest dated source: 28 Apr 2026

The full story

A CNC machining client wanted STEP models generated from 2D technical drawings. The poster used Claude Code with Claude Desktop acting as a manager to keep Code on track.

The shape family now comes out right and some parts, such as distance rings, are perfect. The vision models struggle with serious industrial drawings, so models will need fine tuning; rotational parts come first, then parametric reconstruction.

How it was done

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Sources

From a short post by the maker, so the details are as they tell them.

  • Reddit: Claude Code and 2D CAD drawings to 3D rabbitholeForum threadreddit.com
    Reddit poster: Impossible_Carob8839Posted 28 Apr 2026

    The maker's post on r/ClaudeCode.

    If it disappears: archived copy of Reddit: Claude Code and 2D CAD drawings to 3D rabbithole (opens in a new tab)

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